The Swine C3a yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Swine C3a applications are for cell culture, ELISA standard, and Western Blot Control. Swine C3a yeast-derived recombinant protein can be purchased in multiple sizes. Swine C3a Specifications: (Molecular Weight: 9.1 kDa) (Amino Acid Sequence: SVQLMEKRMD KLGQYSKDVR RCCEHGMRDN PMKFSCQRRA QFIQHGDACV KAFLDCCEYI AKLRQQHSRN KPLGLAR (77)) (Gene ID: 397072). For research use only. Made in the USA